How to empty a Poly~?

I’m wondering if there’s a way to empty all instance of poly. I would have assumed "voices 0" or "dispose" might do it, but according to the references, no dice.

Just wondering if there’s a way to solve these two issues: 1) loading a poly with voices 0 still technically loads a patch, you can see it creates an object in the main patcher on load. 2) changing voices to 0 after loading a jit.gl.gridshape object I would hope would remove the instance of the 3D object.

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